Dog Collar



FIG. 1 is a front perspective view of a dog collar showing the new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view.

The broken lines shown in the drawings depict portions of the dog collar that form no part of the claimed design. 

CLAIM We claim the ornamental design for a dog collar, as shown and described. 